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August 06, 2007, 03:44 PM ET
A New Way to Mix PowerPoint and Audio
PowerPoint has an audio function that lets you add narration to your lecture slides, but a number of people find it difficult to use. And what if you want more than your own voice, but music or sound clips of other people?
On the Web 2.0 Teaching Tools blog, Alan A. Lew, a professor at Northern Arizona University, points to another solution. The Web site Slideshare, where people can upload and share PowerPoint presentations, has a new feature called Slidecasts.
A free service, Slidecasts start with PowerPoint slides that have been uploaded to the Slideshare site and adds sound from an MP3 audio file that exists someplace on the Web. (Podcast sites, blogs, and Web pages are good hosts.) Slidecast lets you move the slide transitions to any place in the audio file, easily creating a slick and seamless presentation that doesn’t require complex recording or audio-streaming programs. It does, however, require reliable Web access to the Slideshare site, or your lecture will get disrupted. —Josh Fischman
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